<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索商品和 添加商品按钮区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInFo.query" clearable @clear="getGoodslist">
            <el-button slot="append" icon="el-icon-search" @click="getGoodslist"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table表格区域 -->
      <el-table :data="goodsList" border stripe>
        <!-- 索引列 -->
        <el-table-column type="index"></el-table-column>
        <!--  -->
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>

        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="95px"
        ></el-table-column>

        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="70px"
        ></el-table-column>

        <el-table-column label="创建时间" prop="add_time" width="170px">
          <template slot-scope="scope">{{
            scope.row.add_time | dateFormat
          }}</template>
        </el-table-column>

        <el-table-column label="操作" width="150px">
          <template slot-scope="scope">
            <el-button type="primary" size="mini">编辑</el-button>
            <el-button type="danger" size="mini" @click="removeById(scope.row.goods_id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInFo.pagenum"
        :page-sizes="[5, 10, 15, 30]"
        :page-size="queryInFo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: "myList",
  data() {
    return {
      // 查询参数对象
      queryInFo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      // 商品列表
      goodsList: [],
      // 商品总条数
      total: 0,
    };
  },
  created() {
    this.getGoodslist();
  },
  methods: {
    async getGoodslist() {
      const { data: res } = await this.$axios.get("goods", {
        params: this.queryInFo,
      });
      if (res.meta.status !== 200) return this.$message.error("请求商品失败！");
      this.goodsList = res.data.goods;
      this.total = res.data.total;
      console.log(res);
    },
    // 页码或者标签页
    handleSizeChange(newSize) {
      this.queryInFo.pagesize = newSize;
      // 重新渲染
      this.getGoodslist();
    },
    // 当前页面的页码发生改变的时候
    handleCurrentChange(newPage) {
      this.queryInFo.pagenum = newPage;
      // 重新渲染
      this.getGoodslist();
    },
    // 删除商品
    async removeById(id){
    // 根据弹框提示用户是否要删除
        const res = await this.$confirm( "此操作将永久删除该商品，是否继续?","提示",{
            confirmButtonText: "确定",
            cancelButtonText: "取消",
            type: "warning", 
        }
        ).catch(err=>err);
        // 如果用户点击的确定就返回字符串confirm
        // 如果用户点击的取消就返回字符串cancel
        if(res !== 'confirm') return 
        const {data:del} = await this.$axios.delete(`goods/${id}`)
        if(del.meta.status !== 200) return this.$message.error('删除该商品失败！')
        console.log(del);
        this.$message.success('删除商品成功！！')
         this.getGoodslist();
    },
    // 编程式路由导航
    goAddpage(){
        this.$router.push('/goods/add')
    }
  },
};
</script>

<style scoped>
</style>